On Tue, Mar 23, 2021 at 05:31:15PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git mm-percpu-local_lock-v1r10
> head:   e1091ede0db3313db25301e58af64ca32864c27d
> commit: 6908776bbd1821e6b83b107cd2d8d8339a3c1a31 [11/16] mm/page_alloc: Split per cpu page lists and zone stats
> config: m68k-randconfig-r011-20210322 (attached as .config)
> compiler: m68k-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git/commit/?id=6908776bbd1821e6b83b107cd2d8d8339a3c1a31
>         git remote add mel https://git.kernel.org/pub/scm/linux/kernel/git/mel/linux.git
>         git fetch --no-tags mel mm-percpu-local_lock-v1r10
>         git checkout 6908776bbd1821e6b83b107cd2d8d8339a3c1a31
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 

Thanks. As this will not be a separate patch to fix the problem, I added
this to the Certificate of Origin chain. I assume this is acceptable.

[lkp(a)intel.com: Check struct per_cpu_zonestat has a non-zero size]

-- 
Mel Gorman
SUSE Labs